.f-nav {
    width: 40px;
    height: 396px;
    position: fixed;
    left: 69.5px;
    top: 50%;
    margin-top: -198px;
    display: none;
}

.f-nav div {
    width: 40px;
    width: 40px;
    height: 50px;
    background: gray;
    cursor: pointer;
    text-align: center;
    vertical-align: middle;
    font-size: 12px;
    /* color: #fff; */
    margin-bottom: 2px;
    position: relative;
}

.f-nav div:hover {
    background-color: pink;
}

.f-nav div span {
    position: absolute;
    width: 30px;
    left: 15%;
    top: 15%;
}

.s10 {
    top: 16px !important;
}

.pink {
    background-color: pink !important;
}

#top {
    height: 25px;
}

#top span {
    top: 5px;
}